17-letter words containing o, r, a, n, y
- undulatory theory — wave theory (def 1).
- unemployment rate — percentage of population without jobs
- unify corporation — (company) Developers of the Unify relational database. At one time, before Sybase, they were a competitor of Oracle, et al.
- unitary authority — (in the United Kingdom) a district administered by a single tier of local government, esp those districts of England that became administratively independent of the county councils in 1996–98
- unproportionately — proportioned; being in due proportion; proportional.
- urogenital system — the urinary tract and reproductive organs
- verkhoyansk range — a mountain range in the Sakha Republic, in E Siberia, Russia. About 600 miles (970 km) long.
- williams syndrome — an abnormality in the genes involved in calcium metabolism, resulting in learning difficulties
- x-ray diffraction — diffraction of x-rays by the regularly spaced atoms of a crystal, useful for determining the arrangement of the atoms.
- x-ray examination — an examination of part of the body, using an X-ray machine
- year in, year out — a period of 365 or 366 days, in the Gregorian calendar, divided into 12 calendar months, now reckoned as beginning Jan. 1 and ending Dec. 31 (calendar year or civil year) Compare common year, leap year.
- year of confusion — (in ancient Rome) the year of 445 days preceding the introduction, in 46 b.c., of the Julian calendar: lengthened to compensate for the cumulative errors of the Roman calendar.
- yellow journalism — a color like that of egg yolk, ripe lemons, etc.; the primary color between green and orange in the visible spectrum, an effect of light with a wavelength between 570 and 590 nm.
- yesterday morning — during the morning of the day preceding today
- your day in court — Your day in court is your chance to give your side of an argument or other matter.
- youth programming — the creation and scheduling of television programmes specifically aimed at young people